<%= raw t('notification.makefriend.'+ activity.receiver.subject.class.to_s.underscore,
          :sender => link_to(truncate_name(activity.sender.name), polymorphic_url(activity.sender.subject)),
          :who => t('notification.who.'+ activity.receiver.subject.class.to_s.underscore,
                    :name => truncate_name(activity.receiver.name))) %>
